1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.util;
24  
25  import com.liferay.portal.kernel.util.StringPool;
26  import com.liferay.portal.kernel.util.WebKeys;
27  
28  import javax.servlet.http.HttpServletRequest;
29  import javax.servlet.jsp.tagext.BodyTagSupport;
30  
31  /**
32   * <a href="HtmlBottomTag.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   */
36  public class HtmlBottomTag extends BodyTagSupport {
37  
38      public int doStartTag() {
39          return EVAL_BODY_BUFFERED;
40      }
41  
42      public int doAfterBody() {
43          _bodyContentString = getBodyContent().getString();
44  
45          return SKIP_BODY;
46      }
47  
48      public int doEndTag() {
49          HttpServletRequest request =
50              (HttpServletRequest)pageContext.getRequest();
51  
52          StringBuilder sb = (StringBuilder)request.getAttribute(
53              WebKeys.PAGE_BOTTOM);
54  
55          if (sb == null) {
56              sb = new StringBuilder();
57  
58              request.setAttribute(WebKeys.PAGE_BOTTOM, sb);
59          }
60  
61          sb.append(_bodyContentString);
62  
63          return EVAL_PAGE;
64      }
65  
66      private String _bodyContentString = StringPool.BLANK;
67  
68  }